Constant curve25519_dalek::constants::lminus1

pub const lminus1: Scalar = Scalar([236, 211, 245, 92, 26, 99, 18, 88, 214, 156, 247, 162, 222, 249, 222,
        20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16])

lminus1 is the order of base point minus one, i.e. 2²⁵² + 27742317777372353535851937790883648493 - 1, in little-endian form